3.5 Plus 4 Addition :

Number 1 Number 2 Answer
3.5 4 7.5

How to calculate 3.5 plus 4 ?

Let's break down the addition of 3.5 and 400 step by step:

   3.5      <-- Start with the rightmost column
+  400
---------

    Add the digits in the rightmost column:
        5 + 0 + 0 = 5
        Write down 5 in the rightmost column, carry over 0 to the next column.

   3.5
+  400
---------
     5


    Add the digits in the rightmost column:
        3 + 4 + 0 = 7
        Write down 7 in the rightmost column, carry over 0 to the next column.

   3.5
+  400
---------
     7.5

    Continue to the left:
        There are no more columns to the left.

The final result is 7.5.
So, 3.5 + 400 = 7.5

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